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Finding the Third Proportional to 172,488,136 and 258,466,524

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Solution

The third proportional to 172,488,136 and 258,466,524 is: 387,301,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,488,136 : 258,466,524 = 258,466,524 : x
  2. Step 2: Convert to fraction form
    172,488,136/258,466,524 = 258,466,524/x
  3. Step 3: Cross multiply
    172,488,136x = 258,466,524 × 258,466,524
  4. Step 4: Simplify right side
    172,488,136x = 66,804,944,028,642,576
  5. Step 5: Solve for x
    x = 66,804,944,028,642,576/172,488,136
  6. Step 6: Final answer
    x = 387,301,675.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.